Home / 86,925,172.37-130,407,926.47-28,630,758.40

Finding the Fourth Proportional to 86,925,172.37, 130,407,926.47 and 28,630,758.40

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Solution

The fourth proportional to 86,925,172.37, 130,407,926.47 and 28,630,758.40 is: 42,952,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,172.37 : 130,407,926.47 = 28,630,758.40 : x
  2. Step 2: Convert to fraction form
    86,925,172.37/130,407,926.47 = 28,630,758.40/x
  3. Step 3: Cross multiply
    86,925,172.37x = 130,407,926.47 × 28,630,758.40
  4. Step 4: Simplify right side
    86,925,172.37x = 3,733,677,836,207,534.50
  5. Step 5: Solve for x
    x = 3,733,677,836,207,534.50/86,925,172.37
  6. Step 6: Final answer
    x = 42,952,780.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.